1 /*
2 * Copyright (c) 2004, 2005 Voltaire, Inc. All rights reserved.
3 * Copyright (c) 2002-2005 Mellanox Technologies LTD. All rights reserved.
4 * Copyright (c) 1996-2003 Intel Corporation. All rights reserved.
5 *
6 * This software is available to you under a choice of one of two
7 * licenses. You may choose to be licensed under the terms of the GNU
8 * General Public License (GPL) Version 2, available from the file
9 * COPYING in the main directory of this source tree, or the
10 * OpenIB.org BSD license below:
11 *
12 * Redistribution and use in source and binary forms, with or
13 * without modification, are permitted provided that the following
14 * conditions are met:
15 *
16 * - Redistributions of source code must retain the above
17 * copyright notice, this list of conditions and the following
18 * disclaimer.
19 *
20 * - Redistributions in binary form must reproduce the above
21 * copyright notice, this list of conditions and the following
22 * disclaimer in the documentation and/or other materials
23 * provided with the distribution.
24 *
25 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
26 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
27 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
28 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
29 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
30 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
31 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
32 * SOFTWARE.
33 *
34 */
35
36 #ifndef _OSMV_SVC_H_
37 #define _OSMV_SVC_H_
38
39 #include <stdlib.h>
40 #include <string.h>
41 #include <iba/ib_types.h>
42 #include <vendor/osm_vendor_mlx_defs.h>
43
44 #ifdef __cplusplus
45 # define BEGIN_C_DECLS extern "C" {
46 # define END_C_DECLS }
47 #else /* !__cplusplus */
48 # define BEGIN_C_DECLS
49 # define END_C_DECLS
50 #endif /* __cplusplus */
51
52 BEGIN_C_DECLS
osmv_invert_method(IN uint8_t req_method)53 inline static uint8_t osmv_invert_method(IN uint8_t req_method)
54 {
55 switch (req_method) {
56 case IB_MAD_METHOD_GET_RESP:
57 /* Not a 1-1 mapping! */
58 return IB_MAD_METHOD_GET;
59
60 case IB_MAD_METHOD_GET:
61 return IB_MAD_METHOD_GET_RESP;
62
63 case IB_MAD_METHOD_SET:
64 return IB_MAD_METHOD_GET_RESP;
65
66 case IB_MAD_METHOD_GETTABLE_RESP:
67 return IB_MAD_METHOD_GETTABLE;
68
69 case IB_MAD_METHOD_GETTABLE:
70 return IB_MAD_METHOD_GETTABLE_RESP;
71
72 case IB_MAD_METHOD_GETMULTI_RESP:
73 /* Not a 1-1 mapping! */
74 return IB_MAD_METHOD_GETMULTI;
75
76 case IB_MAD_METHOD_GETTRACETABLE:
77 case IB_MAD_METHOD_GETMULTI:
78 return IB_MAD_METHOD_GETMULTI_RESP;
79
80 case IB_MAD_METHOD_TRAP:
81 return IB_MAD_METHOD_TRAP_REPRESS;
82
83 case IB_MAD_METHOD_TRAP_REPRESS:
84 return IB_MAD_METHOD_TRAP;
85
86 case IB_MAD_METHOD_REPORT:
87 return IB_MAD_METHOD_REPORT_RESP;
88
89 case IB_MAD_METHOD_REPORT_RESP:
90 return IB_MAD_METHOD_REPORT;
91
92 /* IB_MAD_METHOD_SEND does not have a response */
93 case IB_MAD_METHOD_SEND:
94 return IB_MAD_METHOD_SEND;
95
96 default:
97 CL_ASSERT(FALSE);
98 }
99
100 return 0; /* Just make the compiler happy */
101 }
102
osmv_mad_is_rmpp(IN const ib_mad_t * p_mad)103 inline static boolean_t osmv_mad_is_rmpp(IN const ib_mad_t * p_mad)
104 {
105 uint8_t rmpp_flags;
106 CL_ASSERT(NULL != p_mad);
107
108 rmpp_flags = ((ib_rmpp_mad_t *) p_mad)->rmpp_flags;
109 /* HACK - JUST SA and DevMgt for now - need to add BIS and DevAdm */
110 if ((p_mad->mgmt_class != IB_MCLASS_SUBN_ADM) &&
111 (p_mad->mgmt_class != IB_MCLASS_DEV_MGMT))
112 return (0);
113 return (0 != (rmpp_flags & IB_RMPP_FLAG_ACTIVE));
114 }
115
osmv_mad_is_multi_resp(IN const ib_mad_t * p_mad)116 inline static boolean_t osmv_mad_is_multi_resp(IN const ib_mad_t * p_mad)
117 {
118 CL_ASSERT(NULL != p_mad);
119 return (IB_MAD_METHOD_GETMULTI == p_mad->method
120 || IB_MAD_METHOD_GETTRACETABLE == p_mad->method);
121 }
122
osmv_mad_is_sa(IN const ib_mad_t * p_mad)123 inline static boolean_t osmv_mad_is_sa(IN const ib_mad_t * p_mad)
124 {
125 CL_ASSERT(NULL != p_mad);
126 return (IB_MCLASS_SUBN_ADM == p_mad->mgmt_class);
127 }
128
osmv_rmpp_is_abort_stop(IN const ib_mad_t * p_mad)129 inline static boolean_t osmv_rmpp_is_abort_stop(IN const ib_mad_t * p_mad)
130 {
131 uint8_t rmpp_type;
132 CL_ASSERT(p_mad);
133
134 rmpp_type = ((ib_rmpp_mad_t *) p_mad)->rmpp_type;
135 return (IB_RMPP_TYPE_STOP == rmpp_type
136 || IB_RMPP_TYPE_ABORT == rmpp_type);
137 }
138
osmv_rmpp_is_data(IN const ib_mad_t * p_mad)139 inline static boolean_t osmv_rmpp_is_data(IN const ib_mad_t * p_mad)
140 {
141 CL_ASSERT(p_mad);
142 return (IB_RMPP_TYPE_DATA == ((ib_rmpp_mad_t *) p_mad)->rmpp_type);
143 }
144
osmv_rmpp_is_ack(IN const ib_mad_t * p_mad)145 inline static boolean_t osmv_rmpp_is_ack(IN const ib_mad_t * p_mad)
146 {
147 CL_ASSERT(p_mad);
148 return (IB_RMPP_TYPE_ACK == ((ib_rmpp_mad_t *) p_mad)->rmpp_type);
149 }
150
osmv_rmpp_is_first(IN const ib_mad_t * p_mad)151 inline static boolean_t osmv_rmpp_is_first(IN const ib_mad_t * p_mad)
152 {
153 uint8_t rmpp_flags;
154 CL_ASSERT(NULL != p_mad);
155
156 rmpp_flags = ((ib_rmpp_mad_t *) p_mad)->rmpp_flags;
157 return (0 != (IB_RMPP_FLAG_FIRST & rmpp_flags));
158 }
159
osmv_rmpp_is_last(IN const ib_mad_t * p_mad)160 inline static boolean_t osmv_rmpp_is_last(IN const ib_mad_t * p_mad)
161 {
162 uint8_t rmpp_flags;
163 CL_ASSERT(NULL != p_mad);
164
165 rmpp_flags = ((ib_rmpp_mad_t *) p_mad)->rmpp_flags;
166 return (0 != (IB_RMPP_FLAG_LAST & rmpp_flags));
167 }
168
osmv_mad_copy(IN const ib_mad_t * p_mad)169 inline static uint8_t *osmv_mad_copy(IN const ib_mad_t * p_mad)
170 {
171 uint8_t *p_copy;
172
173 CL_ASSERT(p_mad);
174 p_copy = malloc(MAD_BLOCK_SIZE);
175
176 if (NULL != p_copy) {
177 memset(p_copy, 0, MAD_BLOCK_SIZE);
178 memcpy(p_copy, p_mad, MAD_BLOCK_SIZE);
179 }
180
181 return p_copy;
182 }
183
184 /* Should be passed externally from the Makefile */
185 /* #define OSMV_RANDOM_DROP 1 */
186 #define OSMV_DROP_RATE 0.3
187
osmv_random_drop(void)188 inline static boolean_t osmv_random_drop(void)
189 {
190 srand(1); /* Pick a new base */
191 return (rand() / (double)RAND_MAX < OSMV_DROP_RATE);
192 }
193
194 END_C_DECLS
195 #endif /* _OSMV_SVC_H_ */
196